Default locations for most commonly used configuration files and important directories:

**/  There are some important configuration files :--

..............***.................

#Exim 
/etc/exim.conf 
/var/log/exim_mainlog
/var/log/exim_rejectlog 
/etc/valiases/ 
/etc/vfilters/ 
/home/username/.forward

..............***................. 

#MySQL 
/root/.my.cnf 
/etc/my.cnf 
/var/lib/mysql/ 
...............***................ 

#Apache 
/usr/local/apache/conf/httpd.conf 
/usr/local/apache/domlogs/ 
..............***................. 

#System 
/var/log/messages 
/var/log/dmesg 

..............***................. 

#Proftpd 
/etc/proftpd.conf 
/var/log/xferlog 
/etc/proftpd/ 
................***............... 

#sshd 
/etc/ssh/sshd_config 
...............***................ 

#PureFtp Config File
/etc/sysconfig/pure-ftpd
...............***................ 

#Disable SMART Error in Cpanel
touch /var/cpanel/disablesmartcheck 
/scripts/updatenow